阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

    Facebook CEO Zuckerberg just had a baby girl named Max, and to honor the occasion, he's giving away the majority of his wealth．In the letter ____ (write) by Zuckerberg and his wife, Priscilla Chan, to ____ (they) new baby girl, he announced the birth of his first child and the ____ (create) of the Chan Zuckerberg Fund, ____ will focus on curing disease, connecting people and ____ (build) strong communities．

    “For your generation to live in ____ better world, there is so much more our generation can do,” Zuckerberg wrote．“Today your mother and I are committing to spend our lives doing our small part to help solve these challenges．” The couple ____ (donate) nearly all of their Facebook stock to the cause．“We will give 99% of our Facebook shares － currently about $45 billion － to advance this ____ (value) mission,” he wrote．“We know this is a small contribution compared ____ all the resources and talents already working on these issues．But we want to do ____ we can, working along with many others．